SN74LS670N3

Overview

The SN74LS670N3 is a 4-by-4 register file featuring three-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and supports a propagation delay of 45 ns. The device functions in a commercial temperature range from 0°C to +70°C. It utilizes bipolar LS logic technology and is housed in a 16-pin PDIP package.

Feature Summary

• Provides four independent 4-bit registers for data storage
• Features three-state outputs for bus-driven applications
• Supports direct addressing via input lines

Applications

• Data storage in digital systems
• Bus interface circuits
• Register files in microprocessor-based designs

Procurement Notes

Verify the specific ordering suffix 'N3' against official Texas Instruments documentation, as standard catalog listings typically use 'N'. Confirm RoHS compliance status and lead finish specifications directly with the manufacturer or authorized distributors before procurement.

Selection Notes

Select this component when a 4x4 register file with three-state outputs is required. Ensure the design accommodates the 4.75 V to 5.25 V supply voltage range and the 45 ns propagation delay characteristics inherent to the LS logic family.

Part Context

This part belongs to the SN74LS670 series of 4-by-4 register files. The SN74LS670N variant is the standard commercial grade version available in a 16-pin PDIP package. The SN54LS670 represents the military-grade equivalent.

Replacement Considerations

SN74LS670N

FAQ

What type of outputs does the SN74LS670N3 provide?

It provides three-state outputs.

What is the operating temperature range for this device?

The commercial grade device operates from 0°C to +70°C.